About Ton van Heugten
Antonius Maria van Heugten was a Dutch sidecarcross rider and the 1981 World Champion in the sport, together with his passenger Frits Kiggen. He has also won the Dutch national sidecarcross championship four times, 1975, 1976, 1979 and 1980 and the FIM European Championship in 1975. He won the Dutch national championship in the 50 cc class in 1963, in the 250 cc class in 1964 and 1965 and in the 500 cc class in 1966. He won his last world championship race at the Portuguese GP in 1986, his last really strong season, finishing third overall.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.